Modify IBC client governance unfreezing to reflect ADR changes (cosmos#8405)

* update proto files

* make proto-gen

* update clienttypes

* update localhost and solo machine

* refactor tm client proposal handling

* copy metadata

* self review fixes

* update 02-client keeper tests

* fix 02-client type tests

* fix localhost and solomachine tests

* begin updating tm tests

* partially fix tm tests

* increase codecov

* add more tests

* add changelog

* update specs

* add docs

* fix test

* modify adr

* allow modified chain-ids

* add CLI command

* fix typos

* fix lint

* Apply suggestions from code review

Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>

* update docs, rm example

* Update docs/ibc/proposals.md

Co-authored-by: Christopher Goes <cwgoes@pluranimity.org>

* update height checks to reflect chain-id changes cc @AdityaSripal

* Apply suggestions from code review

Co-authored-by: Christopher Goes <cwgoes@pluranimity.org>

* Apply suggestions from code review

Co-authored-by: Aditya <adityasripal@gmail.com>

* address most of @AdityaSripal suggestions

* update docs per review suggestions

* Update x/ibc/core/02-client/types/proposal.go

* add proposal handler

* register proposal type

* register proposal on codec

* fix routing

Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>
Co-authored-by: Christopher Goes <cwgoes@pluranimity.org>
Co-authored-by: Aditya <adityasripal@gmail.com>

Author: 4 people

app.go

@@ -69,6 +69,7 @@ import (
 	ibctransfertypes "github.com/cosmos/cosmos-sdk/x/ibc/applications/transfer/types"
 	ibc "github.com/cosmos/cosmos-sdk/x/ibc/core"
 	ibcclient "github.com/cosmos/cosmos-sdk/x/ibc/core/02-client"
+	ibcclienttypes "github.com/cosmos/cosmos-sdk/x/ibc/core/02-client/types"
 	porttypes "github.com/cosmos/cosmos-sdk/x/ibc/core/05-port/types"
 	ibchost "github.com/cosmos/cosmos-sdk/x/ibc/core/24-host"
 	ibckeeper "github.com/cosmos/cosmos-sdk/x/ibc/core/keeper"
@@ -309,7 +310,7 @@ func NewSimApp(
 		AddRoute(paramproposal.RouterKey, params.NewParamChangeProposalHandler(app.ParamsKeeper)).
 		AddRoute(distrtypes.RouterKey, distr.NewCommunityPoolSpendProposalHandler(app.DistrKeeper)).
 		AddRoute(upgradetypes.RouterKey, upgrade.NewSoftwareUpgradeProposalHandler(app.UpgradeKeeper)).
-		AddRoute(ibchost.RouterKey, ibcclient.NewClientUpdateProposalHandler(app.IBCKeeper.ClientKeeper))
+		AddRoute(ibcclienttypes.RouterKey, ibcclient.NewClientUpdateProposalHandler(app.IBCKeeper.ClientKeeper))
 	app.GovKeeper = govkeeper.NewKeeper(
 		appCodec, keys[govtypes.StoreKey], app.GetSubspace(govtypes.ModuleName), app.AccountKeeper, app.BankKeeper,
 		&stakingKeeper, govRouter,